发明名称 |
Ink jet recording apparatus |
摘要 |
An ink jet recording apparatus includes an ink holding chamber, an ultrasonic wave generator having a piezoelectric transducer structure consisting of a piezoelectric member, and first and second electrodes formed on opposing surfaces of the piezoelectric member, and a driver for driving the piezoelectric transducer structure. The piezoelectric transducer structure is coupled acoustically with the ink liquid. The apparatus further includes ultrasonic wave focusing member formed on the ultrasonic wave generator and including an acoustic lens for focusing an ultrasonic wave generated from the ultrasonic wave generator in a vicinity close to a surface of the ink liquid, and a supporting member for supporting the ultrasonic wave generator on an opposite side to the ultrasonic wave focusing member. The supporting member supports the ultrasonic wave generator via an ultrasonic wave canceling medium, in a region corresponding to an overlapping region between the piezoelectric transducer structure and the acoustic lens.
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申请公布号 |
US6036301(A) |
申请公布日期 |
2000.03.14 |
申请号 |
US19980041663 |
申请日期 |
1998.03.13 |
申请人 |
KABUSHIKI KAISHA TOSHIBA |
发明人 |
AMEMIYA, ISAO;TANUMA, CHIAKI;SAITOH, SHIROH;YAGI, HITOSHI;YAMAMOTO, NORIKO |
分类号 |
B41J2/175;B41J2/015;B41J2/14;(IPC1-7):G01D15/16 |
主分类号 |
B41J2/175 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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